A member of staff holds a handfull of butterflies at The Glasshouse at RHS Wisley Gardens on January 11, 2013 near Woking, England. Rare and exotic butterflies have been placed in The Glasshouse for visitors from January 12 to February 24, 2013. (Photo by Peter Macdiarmid/Getty Images)

A member of staff holds a handfull of butterflies at The Glasshouse at RHS Wisley Gardens on January 11, 2013 near Woking, England. Rare and exotic butterflies have been placed in The Glasshouse for visitors from January 12 to February 24, 2013. (Photo by Peter Macdiarmid/Getty Images)